Streptococcus pneumonia is the leading cause of bacterial pneumonia. It can enter your lungs through inhalation or through your bloodstream. There is a vaccination for this type. Haemophilus influenzae is the second most common cause of bacterial pneumonia.
The droppings are similar in color to the wood residue that the insects spill as they eat. Subterranean termite droppings are soft and used in constructing nests, whereas drywood termite droppings are hard and look like piles of sawdust, according to Extension.org.
Mouse droppings are approximately the size of a grain of rice, dark and pointed at both ends. Norway rat droppings are about 3/4 with blunt ends. Squirrel droppings are the size of a dried bean ranging in colors from black, brown, or even greenish. Bat droppings look like black grains of rice just a little large.